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Artificial intelligence for the detection of COVID-19 pneumonia on chest CT using multinational datasets

Medicine and Health

Artificial intelligence for the detection of COVID-19 pneumonia on chest CT using multinational datasets

S. A. Harmon, T. H. Sanford, et al.

This groundbreaking study reveals that deep learning algorithms, trained with data from 1280 international patients, can detect COVID-19 pneumonia in chest CT scans with impressive accuracy—up to 90.8%. This research, conducted by a dedicated team of authors, underscores the exciting potential of AI in rapid and precise medical evaluations.

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~3 min • Beginner • English
Abstract
Chest CT is emerging as a valuable diagnostic tool for clinical management of COVID-19 associated lung disease. Artificial intelligence (AI) has the potential to aid in rapid evaluation of CT scans for differentiation of COVID-19 findings from other clinical entities. Here we show that a series of deep learning algorithms, trained in a diverse international cohort of 1280 patients to localize parietal pleura/lung parenchyma followed by classification of COVID-19 pneumonia, can achieve up to 90.8% accuracy, with 84% sensitivity and 93% specificity, as evaluated in an independent test set (not included in training and validation) of 1337 patients. Normal controls included chest CTs from oncology, emergency, and pneumonia-related patients. The false positive rate in 140 patients with laboratory confirmed other (non-COVID-19) pneumonias was 10%. AI-based algorithms can readily identify CT scans with COVID-19 associated pneumonia, as well as distinguish non-COVID related pneumonias with high specificity in diverse patient populations.
Publisher
Nature Communications
Published On
Nov 16, 2020
Authors
Stephanie A Harmon, Thomas H Sanford, Sheng Xu, Evrim B Turkbey, Holger Roth, Ziyue Xu, Dong Yang, Andriy Myronenko, Victoria Anderson, Amel Amalu, Maxime Blain, Michael Kassin, Dilara Long, Nicole Varble, Stephanie M Walker, Ulas Baci, Anna Maria Ierardi, Elvira Stellato, Guido Giovanni Plensich, Giuseppe Franceschelli, Cristiano Girelloni, Giovanni Irmici, Dominic Labella, Dima Hammoud, Ashkan Malayeri, Elizabeth Jones, Ronald M Summers, Peter L Choyke, Daguang Xu, Mona Flores, Kaku Tamura, Hioriumi Obinata, Hitoshi Mori, Francesca Patella, Maurizio Caritati, Gianpaolo Carraieillo, Peng An, Bradford J Wood, Baris Turkbey
Tags
deep learning
COVID-19
CT scans
pneumonia detection
artificial intelligence
medical imaging
accuracy
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